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TIL behavioral psychologists have shown that making a plan reduces enjoyment of fun activities

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16oed TIL that there are more possible iterations of a game of chess than there are atoms in the known universe. The number of possible unique chess games is estimated to be 10^120, which is vastly greater than the estimated number of atoms in the observable universe, which is around 10^80
OwA7 TIL during WWII the British govt would issue city-wide blackouts to make it harder for the German’s to hit targets during night raids. Armed with new, secret radar technology, the British spread the myth that eating carrots improved eyesight to explain their newfound success in defending in the dark
7rAlZ TIL that Geddy Lee’s (lead singer and bassist for Rush) parents met in a Nazi work camp, were both sent to Auschwitz. His fater was then sent to Dachau and his mother went to Bergen-Belsen. Both were liberated and eventually reunited.
kJw17 TIL linen is made from flax fibres, in a process that used to take many months. Linseed oil also comes from this plant
rRWXM TIL that Reese's peanut butter cups were also originally called "penny cups" since they cost just one cent each when Harry Burnett Reese first started selling them in 1928. The penny cups were so successful that Reese was able to sell them in 5-pound boxes to local retailers.